We have analyzed long-slit spectroscopic data for a sample of 12 tidally disturbed elliptical galaxies. The spectra were obtained with the Kitt Peak National Observatory (KPNO) 4 m RC spectrograph. Rotation curves and velocity dispersion profiles have been measured at a variety of position angles in these galaxies and have been used to analyze the
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Interacting binary galaxies. 7: Kinematic data for 12 disturbed ellipticalsBorne, Kirk D. et al.111994
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Interferometric Observations of the Hierarchical Triple System Algol
Algol is a triple stellar system consisting of a close semidetached binary orbited by a third object. Due to the disputed spatial orientation of the close pair, the third body perturbation of this pair is a subject of much research. In this study, we determine the spatial orientation of the close pair orbital plane using the CHARA Array, a six
Csizmadia, Sz. et al.Advertised on:
112009 -
Interpretation of the variability of the β Cephei star λ Scorpii. II. The line-profile diagnostics
We present the results of our analysis of a time series of high-resolution spectra of the multiple β Cephei star λ Scorpii. The data set has a total time-span of more than 5000 days and includes an intensive monitoring campaign during 8 consecutive nights. We confirm the presence of a dominant frequency f1 = 4.679410 c d-1 in the data. We show that
Uytterhoeven, K. et al.Advertised on:
112004 -
Interpretation of the variability of the β Cephei star λ Scorpii. I. The multiple character
We derive accurate values of the orbital parameters of the close binary β Cephei star λ Scorpii. Moreover, we present the first determination of the properties of the triple system to which λ Scorpii belongs. Our analysis is based on a time series of 815 high-resolution spectra, covering a timespan of 14 years. We find a close orbit of 5.9525 d
Uytterhoeven, K. et al.Advertised on:
112004 -
Intracluster light in the Virgo cluster: large scale distribution
Aims: The intracluster light (ICL) is a faint diffuse stellar component of clusters made of stars that are not bound to individual galaxies. We have carried out a large scale study of this component in the nearby Virgo cluster. Methods: The diffuse light is traced using planetary nebulae (PNe). The surveyed areas were observed with a narrow-band
Castro-Rodriguéz, N. et al.Advertised on:
112009 -
Introduction to astroparticle physics I
Not Available
Berger, K.Advertised on:
112010